This function allows the user to move element nodes to change the element shape. The move node methods are shown in Figure 5.4.5.
Figure 5.4.5 Move Node
1. INPUT VALUE
Select or enter a new location for node through options in INPUT COORDINATE dialog box. The node will move automatically.
2. ON SURFACE
Move node onto surface. Select a location on surface directly by cursor and the node will move automatically.
3. ON SURFACE BOUNDARY
Move node onto the surface boundary.
4. MIDDLE POINT
Move the selected node to the middle point between two nodes.
5. SHORTEST DISTANCE
Move the selected node to the shortest distance of line segment between two nodes.
• The user selects a node by cursor.
If a coincident node is selected, a message will be printed in the message prompt window:
MULTIPLE NODES FOUND
SELECT ELEMENT FOR NODE
If the selected element is not connected with the node, eta/DYNAFORM will print the following warning message in the message prompt window:
SELECTED ELEM IS NOT CONNECTED TO DUPL NODE
SELECT ELEMENT FOR NODE
• After the desired node is selected, the user selects a new location for the node by using options provided in the INPUT COORDINATE dialog box. The node is then moved to the selected location.
• UNDO LAST
This is a valid selection only if a node has been moved.